205714049 has 2 divisors, whose sum is σ = 205714050. Its totient is φ = 205714048.

The previous prime is 205714013. The next prime is 205714057. The reversal of 205714049 is 940417502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173712400 + 32001649 = 13180^2 + 5657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205714049 is a prime.

It is a Chen prime.

It is equal to p_11377724 and since 205714049 and 11377724 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (205714009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102857024 + 102857025.

It is an arithmetic number, because the mean of its divisors is an integer number (102857025).

Almost surely, 2^205714049 is an apocalyptic number.

It is an amenable number.

205714049 is a deficient number, since it is larger than the sum of its proper divisors (1).

205714049 is an equidigital number, since it uses as much as digits as its factorization.

205714049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 205714049 is about 14342.7350599528. The cubic root of 205714049 is about 590.3206616573.

The spelling of 205714049 in words is "two hundred five million, seven hundred fourteen thousand, forty-nine".